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If you're not seeing the results we've promised within 30 days, you can send the product back for a full refund, replacement, or repair.
Exclusions apply. See terms for full details.
The GammaMaster® Nozzle is the next evolution in nozzle technology, designed for abrasive filament printing that doesn't sacrifice thermal conductivity.
Enjoy a 30-Day Customer Happiness Guarantee with full refund, replacement, or repair options if our products don't meet promised results. Items not manufactured by us are eligible for free returns if they remain in new and unopened condition. Exclusions apply. See terms for full details.
The GammaMaster® Nozzle is the next evolution in nozzle technology, forged from the latest advancements in metallurgy and surface preparation technology.
For too long, you have had to settle for poor thermal performance when printing with abrasive filaments, but GammaMaster is the best of both worlds. It's the first nozzle designed for abrasive filament printing that doesn't sacrifice thermal conductivity.
GammaMaster is available in multiple unique geometries including:
RepRap (V6)
AP3X
For belt printers and nonplanar printing
Vase
For prosthetics and large-format applications
FIN (Free and open-source Insulated Nozzle)
For optimal thermal insulation
Only compatible with Mako™ hotends at this time
Multiple manufacturers, including fan favorites like Bondtech, Diamondback, and Micro-Swiss, have launched versions of their best nozzles using the new FIN Standard.
SHIPPING & RETURNS+–
Enjoy a 30-Day Performance Promise with full refund, replacement, or repair options if our products don't meet promised results. Exclusions apply. See terms for full details.
❝Print PETG, PETG CF, PLA, PC CF and TPU with ease. Very happy with them and never need to change one unless I'm changing nozzle orifice size. Highly recommend.❞
Eric L. - Verified Buyer
Thermal Performance
Crafted from a proprietary hardened alloy, the GammaMaster Nozzle features thermal performance similar to that of a standard brass nozzle while maintaining its abrasive-resistant qualities. GammaMaster is 2.7 times more thermally conductive when compared to hardened steel nozzles, meaning you no longer have to raise your nozzle temperature to print with abrasive filaments.
Abrasion Resistant
With a Limited Lifetime Warranty against abrasive wear, the GammaMaster Nozzle will print the entire gamut of thermoplastic materials. From basic PLA to glass fiber reinforced PEI, the GammaMaster Nozzle excels at printing abrasive filaments with a Rockwell C hardness level of 63.
Anti-Adhesive Surface
GammaMaster features our new Low Gamma™ coating that reduces the surface energy of the nozzle and prevents the accumulation of plastic around the nozzle's tip. With a measured surface energy of <30 dynes/cm, the Low Gamma coating allows for easier cleanup, fewer failed prints, and a better printing experience. Unlike PTFE-based coatings, GammaMaster’s surface is rated to high printing temperatures*, allowing you to reap the non-stick benefits with virtually any material.
Multiple Geometries
GammaMaster is available in four geometries: RepRap, AP3X, Vase, and FIN. Our RepRap geometry is the default nozzle geometry you're used to. AP3X adds 2 mm of tip length, making it ideal for belt printing and non-planar printing applications. Our Vase geometry is designed for vase mode prints with large layer lines—perfect for printed prosthetics, film props, and other large-scale prints. Our FIN's innovative nozzle geometry interlocks with the silicone boot, completely insulating the hotend and protecting it from cool air and plastic.
Best Warranty in the Business
We are proud to offer a Limited Lifetime Warranty against abrasive wear for the GammaMaster Nozzle. Please note, certain exotic filaments, like Glow-in-the-Dark and Tungsten Carbide filled, are not covered under this warranty.
For more information, read the full warranty here.
Additional Features and Benefits
*Low Gamma coating rated to 380°C, nozzle substrate rated to 500°C
Engraved orifice size on three sides for easy nozzle identification
Compatible with common metric (6 mm) and standard (1/4 in) socket tools for straightforward installation
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30-Day Performance Promise
Free Returns & Shipping (Over $50)
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